A restorative material which has a high proportional limit, compared with one with a lower proportional limit would have________________?

Related Mcqs:

1. The Knoop Hardness Number of Microfilled composite Restorative material ranges from____________?

   A. 50 – 60 KHN B. 25 – 35 KHN C. 15 – 20 KHN D. 40 – 48 KHN...

2. A material behaves in certain ways above and below the proportional limit on a stress strin curve, which of the following is correct______________?

   A. Above the proportional limit a material function in a plastic manner, while below the proportional limit it behaves as an elastic B. Above the proportional limit a material functions in an elastic manner, while below the proportional limit it behaves as an plastic C. Either A or B D. Neither A or B...

3. The strain that occurs when a material is stressed to its proportional limit is______________?

   A. Resilience B. Maximum flexibility C. Toughness D. Elastic limit...

4. What is the most frequently used restorative material ?

   A. Silicate B. Amalgam C. Composite D. Gold...

5. Why GIC is best restorative material in children_____________?

   A. High strength B. Good marginal integrity C. It can bond enamel & dentin D. It has less occlusal wear...

6. What is the disadvantage of using composites as restorative material ?

   A. Increased thermal conductivity B. Decreased wear resistance C. Decreased thermal conductivity D. None of the above...

7. The proportional limit is defined as______________?

   A. The maximum stress in a structure B. The minimum force required to cause a structure to break C. The maximum stress that can be induced without permanent deformation D. The maximum elongation under tension that can be measured before failure...

8. Which of the following physical property can be used to estimate indirectly the proportional limit of gold alloys ?

   A. Vickers’s hardness number B. Knoop hardness number C. Brinell hardness number D. Rockwell hardness number...

9. Which one of the following restorative materials is having coefficient of thermal expansion close to that of tooth enamel and dentin ?

   A. Microfilled composite resins B. Pure gold C. Silver amalgam D. Type II Glass ionomer cement...

10. The function of the coupling agent in a restorative resin is to allow______________?

    A. Adhesion of resin particles B. Bonding between filler crystals C. Bonding between filler and resin D. Bonding between tooth and resin...